181355420

素因数分解:

$2^2\times 5^1\times {\mathrm{2411}}^1\times {\mathrm{3761}}^1$

素因数の和:6181

約数の個数: 24

約数和(自身を含む): 381105648

約数和(自身を除く): 199750228

約数列:

[1, 2, 4, 5, 10, 20, 2411, 3761, 4822, 7522, 9644, 12055, 15044, 18805, 24110, 37610, 48220, 75220, 9067771, 18135542, 36271084, 45338855, 90677710, 181355420]

約数ペア:

[(1, 181355420), (2, 90677710), (4, 45338855), (5, 36271084), (10, 18135542), (20, 9067771), (2411, 75220), (3761, 48220), (4822, 37610), (7522, 24110), (9644, 18805), (12055, 15044)]